Product Name:Dual plate check valves wafer type, retainerless design
Description:

Dual plate check valves
wafer type, retainerless design

• General info
• Design Standards: API 594.
  Size Range: 2” to 36”.
  Pressure Class: ANSI 150 to 2500, API 5,000 and 10,000.
  Wafer, flanged, Solid Lug, BW, Hub End connections.

• Materials
• Body: Carbon Steel, stainless, Duplex and Superduplex, Titanium, Inconel, Br-Al.
  Disc: Stainless Steel, Duplex and Superduplex, Titanium, Inconel, Br-Al.
  Spring Inconel.
  Seat: Integral metal, metal insert or resilient seated (BUNA N, EPDM, Viton).

• Features
• Independent springs on each plate. Over 2,000,000 cycles tested under laboratory conditions. Highly reduced levels of leakage in comparison to the levels permitted by API598 for metal seats.
  High integrity pressure vessel by the use of the “retainerless” design.
  Substantially lower Cv due to its patented plate.
  Plate shock bumpers to avoid continual forces on the stop pin.